Exposure to Secondhand Smoke Among Nonsmokers --- United States, 1988--2014
by from Morbidity and Mortality Weekly Report (MMWR) on (#44EY9)
Although secondhand smoke exposure among U.S. nonsmokers declined from 87.5% to 25.2% during 1988-2014, one in four nonsmokers, including 14 million children, were exposed to secondhand smoke during 2013-2014.